:root{font-family:Comic Sans MS,Chalkboard SE,Comic Neue,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#e0f2fe;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh;background-color:#f0f8ff;background-image:url(/assets/math_bg-D5CpSY6_.png);background-size:300px;background-repeat:repeat;overflow:hidden}#root{width:100vw;height:100vh;display:flex;flex-direction:column}h1,h2,h3{margin:0}.game-page{width:100%;height:100%;display:flex;flex-direction:column;overflow:hidden;position:relative;align-items:center}.back-button-container{padding:10px;width:100%;display:flex;justify-content:center;flex-shrink:0;margin-bottom:10px}.main-layout{display:flex;flex:1;width:95%;max-width:1200px;height:auto;max-height:85vh;padding:0 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#999;transform:translate(-50%);z-index:0}.rope-visual{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;width:800px;transition:left .5s cubic-bezier(.175,.885,.32,1.275);z-index:1}.rope-img{width:200px;height:12px;margin:5px -50px 0;z-index:5;filter:drop-shadow(0 2px 2px rgba(0,0,0,.1));mix-blend-mode:multiply}.character{width:200px;height:auto;position:relative;z-index:1;mix-blend-mode:multiply}.left-char{transform:translateY(8px)}.right-char{transform:scaleX(-1) translateY(8px)}.team-panel{flex:1;background:#fff;height:100%;display:flex;flex-direction:column}.panel-header{padding:15px 20px;display:flex;justify-content:space-between;align-items:center;color:#fff;font-size:1.1rem;font-weight:700;flex-shrink:0}.left-header{background:#09f}.right-header{background:#ff4d4d}.score-badge{background:#fff;color:#333;padding:4px 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#ddd;border-radius:12px;cursor:pointer;font-size:1rem;font-weight:600;color:#333;box-shadow:0 4px 10px #0000001a;transition:all .2s ease}.language-selector-button:hover{background:#f8f9fa;box-shadow:0 6px 15px #00000026;transform:translateY(-2px)}.language-flag{font-size:1.3rem}.language-name{font-size:.95rem}.language-arrow{font-size:.8rem;color:#666}.language-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border:2px solid #ddd;border-radius:12px;box-shadow:0 8px 20px #00000026;min-width:180px;overflow:hidden;animation:dropdown-fade-in .2s ease}@keyframes dropdown-fade-in{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.language-option{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#fff;border:none;width:100%;text-align:left;cursor:pointer;font-size:.95rem;color:#333;transition:background .2s 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#0003}.game-card-content{color:#fff}.game-card-title{font-size:2rem;font-weight:700;margin-bottom:10px;color:#fff}.game-card-description{font-size:1.1rem;line-height:1.5;color:#fffffff2;margin:0}.coming-soon-text{font-size:1.3rem;color:#666;font-style:italic;margin-top:2rem;text-align:center}@media(max-width:768px){.page-title{font-size:2.5rem}.game-grid{grid-template-columns:1fr;gap:20px}.game-card{min-height:200px;padding:25px}.game-card-icon{font-size:2.5rem;width:60px;height:60px}.game-card-title{font-size:1.7rem}.game-card-description{font-size:1rem}.coming-soon-text{font-size:1.1rem}}@media(min-width:769px)and (max-width:1024px){.game-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1025px){.game-grid{grid-template-columns:repeat(3,1fr)}}.modal.help-modal-wide{max-width:540px;width:92vw;padding:24px 28px 28px;text-align:left}.modal.help-modal-wide h2{text-align:center;font-size:1.4rem;color:#333;margin-bottom:4px}.help-video{width:100%;border-radius:12px;margin:12px 0 10px;display:block;box-shadow:0 4px 16px #00000026;background:#000}.rope-demo{background:linear-gradient(135deg,#f0f8ff,#fff5f5);border-radius:16px;padding:16px 12px 12px;margin:14px 0;border:2px solid rgba(0,0,0,.06);overflow:hidden}.demo-scene{display:flex;align-items:flex-end;justify-content:center;gap:0;height:70px;margin-bottom:8px;position:relative}.demo-char{position:relative;display:flex;flex-direction:column;align-items:center;z-index:2;flex-shrink:0}.demo-char-left{flex-direction:column-reverse}.demo-head{width:24px;height:24px;background:#f5c97a;border-radius:50%;border:2px solid #e0a84b;flex-shrink:0}.demo-body{width:22px;height:28px;border-radius:6px;flex-shrink:0}.demo-body.blue{background:linear-gradient(180deg,#2196f3,#1565c0)}.demo-body.red{background:linear-gradient(180deg,#f44336,#b71c1c)}.demo-arm{position:absolute;width:14px;height:6px;background:#f5c97a;border-radius:3px;border:1px solid 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#eee}.demo-answer-correct{background:#e8f5e9;color:#2e7d32}@keyframes demo-cursor-blink{0%,to{opacity:1}50%{opacity:0}}.demo-answer-typing{animation:demo-cursor-blink .6s step-end infinite}.demo-vs{display:flex;align-items:center;justify-content:center;width:32px;flex-shrink:0}.demo-vs-text{font-size:.75rem;font-weight:900;color:#999;transition:all .3s}@keyframes demo-correct-flash{0%{transform:scale(1)}40%{transform:scale(1.4)}70%{transform:scale(.9)}to{transform:scale(1)}}.demo-correct-flash{animation:demo-correct-flash .5s ease;color:#f59e0b}.help-steps{list-style:none;padding:0;margin:8px 0 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